The CSM-20-7.82G SQ from Crane Aerospace & Electronics is a Directional Coupler with Frequency 7150 to 8600 MHz, Coupling 20 dB, Coupling Variation ±1 dB, Frequency Sensitivity ±1 dB, Directivity 20 dB. Tags: Module with Connectors. More details for CSM-20-7.82G SQ can be seen below.